SangHyun Lee
Systems Engineer
Aptos,CA
Summary
Senior Systems Engineer with 10 years of experience in system virtualization and network security. Motivational team leader aligns cross-functional teams with business objectives to achieve key metrics. Astute Systems Engineer offers dynamic, diverse skillset developing and installing imperative systems. Over 10 career years, oversaw dedicated technical teams and researched necessary deployments to optimize organizational output. Experienced managing cloud products and services within over-arching technology infrastructure. Knowledgeable resource for mandated regulatory and safety procedures to maintain equipment and software effectiveness.
Overview
14
14
years of professional experience
13
13
years of post-secondary education
2
2
Languages
Work History
SYSTEMS ENGINEER
Rahi Systems Inc
Fremont, CA
10.2018 - Current
- The employee of the quarter on 2018 Q4 / 2019 Q3 + Communicate and work and lead the engineering and support sales team to improve product quality and functionality + Work with sales & customers for installation and repair of equipment as per services contract
- Setup datacenter infrastructure, design and maintain or deploy and Research and test data center management solutions + Analyze, design, develop network infrastructure for the customer
- System administration include test environment setup, VM deployment & management
- Provide a customized solution per customer
- Traveled on multiple sites all over the US.
- Streamlined troubleshooting processes to improve system support and enhance communication between support team and end-users.
- Proposed technical feasibility solutions for new system designs and suggested options for performance improvement of technical components.
- Conducted end-user reviews for modified and new systems.
- Assisted employees with resolving network problems at remote locations.
- Delivered helpdesk service and support to customers.
- Optimized networked software and operating systems by applying updates and patches.
- Integrated database and backup servers into enterprise systems.
IT SYSTEMS ADMINISTRATOR
Lori’s Diner international INC
01.2015 - 01.2018
- Manage and maintain all servers and networking equipment in all multiple
- Bay Area locations + Setup, manage, and deploy new or modified region-wide systems or applications such as servers, routers/switches, LAN/WAN, workstations, VoIP
- Phones, desk phones, mobile phones, software, Point on sale system, API, anti-virus, and VMs + Provide all levels of technical troubleshoot support both on-site and remotely + Manage DNS, Active Directory Server to setup security and group policies
- Setup standard system image for new employee & provide training.
- Orchestrated integration and communication of software upgrades.
- Delivered Tier 2 and Tier 3 support for problem identification, diagnosis and issue resolution.
- Implemented internet and intranet applications on multiple platforms.
- Performed software installations and upgrades to UNIX or Windows operating systems.
- Configured and tested Windows Server operating systems with roles features.
- Arranged and prepared tables for customers to offer memorable experiences to guests and foster repeat business.
- Bussed and reset tables to keep dining room and work areas clean.
IT SYSTEM SUPPORT SPECIALIST
Northwestern Polytechnic Univ
Fremont, CA
01.2012 - 01.2015
- Manage, track, and assign tickets in helpdesk (Freshdesk) ticketing system + Manage AD account and support all levels of account issue to over 5,000+ end user
- Develop and deploy standard images for multiple labs (SAP, MATLAB, etc) + Maintain Servers (Build, Update, Monitoring, Backup), Desktops (Windows
- Mac) + Install, configure, update, maintain software, manage software license
- Provide any kind technical troubleshooting.
- Maintained documentation and resources regarding problem resolution for reference in future instances.
- Resolved computer and system networking problems to maintain user productivity.
- Culled technology knowledge to perform IT troubleshooting, restoration and maintenance services to maintain organizational performance levels.
- Monitored hardware, software and peripheral performance against organizational expectations.
- Monitored network hardware operations to evaluate proper configuration.
- Designed and evaluated WAN and LAN connectivity technologies.
MANAGEMENT INSTRUCTOR
NETWORK ENGINEERING, Northwestern Polytechnic Univ
01.2010 - 01.2012
- Applied various teaching aids to minimize learning gaps and instruct and motivate students.
- Tracked student progress, frequently checking in with struggling students and identifying root causes of problems.
- Evaluated and revised lesson plans and course content to achieve student-centered learning.
- Facilitated learning with creation of engaging written and oral assignments.
Education
MASTERS - SYSTEM ENGINEERING
Northwestern
Polytechnic Univ
01.2007 - 05.2010
CERTIFIED NETWORK & EMBEDDED SYSTEM PROGRAMMER – BIT - undefined
Computer Inc
01.2004 - 05.2006
B.S. - CONTROL INSTRUMENTATION
Pukyung National Univ
01.1995 - 05.2002
Skills
Network CISCO ROUTER, SWITCH, WIFI ADMINISTRATION (MERAKIAEROHIVE, UBIQUITI), VOIPLAN/WAN, MOBILELinux CENTOS, UBUNTU, SAMBA, NFS, SENDMAIL, DNS, FTP, CLUSTERRSYNC BACKUP, ETCMicrosoft SERVER 2003 – 2012R2, DESKTOP XP – WINDOWS 10, ACTIVEDIRECTORY, DHCP, DNSOffice Suite Google G-Suite Administration, Office 365Virtualization HYPER-V, VMWARE, VIRTUALBOX, AND PARALLELS DESKTOP FOROSX, MAASLanguages HTML, ASP, C, C, PHP, VISUAL BASIC, POWERSHELL SCRIPTING
Technical Analysis
Data analysis
Employee training
User support
Firewalls
Firewalls, VPNs and security products
Technical Writing
TCP/IP protocol
Network infrastructure administration
Technical Support
Skilled in [Hardware]
Problem-solving
Troubleshooting
Switches and routers
Timeline
SYSTEMS ENGINEER
Rahi Systems Inc
10.2018 - Current
IT SYSTEMS ADMINISTRATOR
Lori’s Diner international INC
01.2015 - 01.2018
IT SYSTEM SUPPORT SPECIALIST
Northwestern Polytechnic Univ
01.2012 - 01.2015
MANAGEMENT INSTRUCTOR
NETWORK ENGINEERING, Northwestern Polytechnic Univ
01.2010 - 01.2012
MASTERS - SYSTEM ENGINEERING
Northwestern
Polytechnic Univ
01.2007 - 05.2010
CERTIFIED NETWORK & EMBEDDED SYSTEM PROGRAMMER – BIT - undefined
Computer Inc
01.2004 - 05.2006
B.S. - CONTROL INSTRUMENTATION
Pukyung National Univ
01.1995 - 05.2002